Sharif Digital Repository

This MA dissertaion is dedicated to the discussion of the error theory about all normative judgements and its consequences. This theory contains two main claims: 1- normative judgements are beliefs that ascribe normative properties, and 2- no normative property exists. In this dissertation, in particular, Bart Streumer’s arguments against the competitors of this theory are discussed and criticized. Streumer argues against non-reductivism, reductivism, and non-cognitivism in three separate arguments. In another argument, he tries to show that the error theory about all normative judgements is unbelievable. In addition to discussing Streumer’s arguments, I also propose new formulations of some...